"걸레" is a Korean word that translates to "rag" or "mop" in English. It is commonly used for cleaning purposes, typically made from cloth or other absorbent materials. People use 걸레 to wipe surfaces, clean floors, and remove dust or spills in homes and workplaces. In addition to its practical use, 걸레 can also refer to a derogatory term for a person, often implying a lack of respect or moral character. This negative connotation is important to understand in social contexts, as it can affect interpersonal relationships and communication in Korean culture.